ABNORMALITY DIAGNOSIS DEVICE, ABNORMALITY DIAGNOSIS METHOD AND PROGRAM

To provide an abnormality sign determination device having little erroneous determination by considering a generation factor of a transient response and the form of a waveform corresponding thereto.SOLUTION: According to the present representative invention, an abnormality sign determination device includes a transient response generation detection unit for detecting the generation of a transient response on the basis of data acquired from a transport machine, and calculating a transient response generation period, a normal transient response calculation unit for creating a normal response model for estimating a normal transient response, and an abnormality determination unit for evaluating the transient response by comparing the transient response in the transient response generation period with the normal transient response based on the normal response model, and determining a failure sign.SELECTED DRAWING: Figure 1 【課題】過渡応答の発生要因とそれに対応する波形の形態を考慮することで、誤判定の少ない異常予兆判定装置を提供する。【解決手段】代表的な本発明の異常予兆判定装置の一つは、輸送機器から取得したデータに基づいて過渡応答の発生を検知し、過渡応答発生期間を算出する過渡応答発生検知部と、正常過渡応答を推定する正常応答モデルを作成する正常過渡応答算出部と、前記過渡応答発生期間における前記過渡応答と前記正常応答モデルに基づく前記正常過渡応答との比較を行うことで、前記過渡応答を評価し、故障予兆を判定する異常判定部と、を備える。【選択図】図１